metal detector VR3000 can detect gold,silver,diamond and copper etc.  digital diamond detector VR3000

Features

VR System is an advanced Metal Detector System utilizing advanced FORWARD GAUSS technology that is both an audio and visual detector. This metal detector was first used in the field in 1984 and the FORWARD GAUSS technology that it uses has proven to be (by far) the most successful.

Specifications

1. Max Detection: 5-50m
2. Detect Range: 100-1000m
3. Rechargeable Battery: Continuous working 48 hours 
4. Power: 850mA
5. Frequency: 433Mhz+/-150Khz
6. Inner Storage: EEPROM 16k*8Bit 
7. Voltage: 9~12VDC
8. Temperature Range: -40~85
9. Operating Humidity: 0~95% (non-condensing) 
10. Ultrasonic Frequency: 400-3000Mhz+/-150Khz
11. Weight: 6.5KG 

Package
1. Size/Unit: 35*31.5*16cm
2. Weight/Unit: 7kg 
3. Qty./CTN: 1unit
4 Size/CTN: 38.5*37*18cm
5. G.W./CTN: 8kg